Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
bukhari:1777 – Abū ʿĀṣim > Ibn Jurayj > ʿAṭāʾ > ʿUrwah b. al-Zubayr > Saʾalt ʿĀʾishah

I asked ʿAisha (whether the Prophet ﷺ had performed ʿUmra in Rajab). She replied, "Messenger of Allah ﷺ never performed any ʿUmra in Rajab."  

البخاري:١٧٧٧ – حَدَّثَنَا أَبُو عَاصِمٍ أَخْبَرَنَا ابْنُ جُرَيْجٍ قَالَ أَخْبَرَنِي عَطَاءٌ عَنْ عُرْوَةَ بْنِ الزُّبَيْرِ قَالَ

سَأَلْتُ عَائِشَةَ ؓ قَالَتْ مَا اعْتَمَرَ رَسُولُ اللَّهِ ﷺ فِي رَجَبٍ  

See similar narrations below:

Collected by Ṭabarānī
tabarani:13596 – ʿAlī b. ʿAbd al-ʿAzīz > Ḥajjāj b. al-Minhāl > Ḥammād b. Salamah > Ḥabīb al-Muʿallim > ʿAṭāʾ > Ibn ʿUmar

[Machine] The Prophet ﷺ performed Umrah in the month of Rajab.  

الطبراني:١٣٥٩٦ – حَدَّثَنَا عَلِيُّ بْنُ عَبْدِ الْعَزِيزِ ثنا حَجَّاجُ بْنُ الْمِنْهَالِ ثنا حَمَّادُ بْنُ سَلَمَةَ عَنْ حَبِيبٍ الْمُعَلِّمِ عَنْ عَطَاءٍ عَنِ ابْنِ عُمَرَ

أَنَّ النَّبِيَّ ﷺ «اعْتَمَرَ فِي رَجَبٍ»